// ******************************************************************
// Copyright � 2015-2018 nventive inc. All rights reserved.
//
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
//
//      http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.
//
// ******************************************************************
#if !WINDOWS_UWP
using System;

namespace Uno.Reflection
{
    public class NestedTypeDescriptor : TypeDescriptor, IValueMemberDescriptor
    {
        public NestedTypeDescriptor(Type type)
            : base(type)
        {
        }

        #region IValueMemberDescriptor Members

        public override Type Type
        {
            get { return MemberInfo; }
        }

        public override bool IsStatic
        {
            get { return true; }
        }

        public override IMemberDescriptor Open()
        {
            return IsClosed ? new NestedTypeDescriptor(MemberInfo.GetGenericTypeDefinition()) : base.Open();
        }

        // TODO: params are ignored
        public override IMemberDescriptor Close(params Type[] types)
        {
            if (!IsOpen)
            {
                return base.Close(types);
            }
            var closedType = MemberInfo.MakeGenericType(types);

            return new NestedTypeDescriptor(closedType);
        }

        public object GetValue(object instance)
        {
            return instance;
        }

        public void SetValue(object instance, object value)
        {
            throw new NotImplementedException();
        }

        public Action<object, object> ToCompiledSetValue()
        {
            return SetValue;
        }

        public Action<object, object> ToCompiledSetValue(bool strict)
        {
            return SetValue;
        }

        public Func<object, object> ToCompiledGetValue()
        {
            return GetValue;
        }

        public Func<object, object> ToCompiledGetValue(bool strict)
        {
            return GetValue;
        }

        #endregion
    }
}
#endif